* {
	margin: 0;
}
body{
	text-align: center;
}
.main {
	height: 850px;
	width: 1000px;
}
.head{
	height: 18px;
	width:998px;
	border:1px solid navy;
	padding-top: 10px;
	padding-bottom: 10px;
	text-align: center;
	color: white;
	background-color: navy;
}
.nav{
	height:23px;
	width: 988px;
	border:1px solid navy;
	padding-right:10px;
	padding-top:5px;
	text-align:right;
	background-color: teal;
}
.foot{
	height: 38px;
	width: 998px;
	border: 1px solid navy;
	padding-top:10px;
	text-align: center;
	color:white;
	background-color: silver;
}
.foot span{
	color: navy;
}
